package chapter02;

public class dengyaosanjiaoxing {
    public static void main(String[] args) {
        int index = 13;
        for(int i = 1;i <= index;i++){
            for(int j = 1;j <= index - i;j++){
                System.out.print(" ");
            }
            for(int k = 0;k <i * 2 - 1;k++){
                System.out.print("*");
            }
            System.out.print("\n");
        }
    }
}
